| 1 |
2 |
alfik |
#include <cstdio>
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#include <cstdlib>
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#include <sys/mman.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include "Vmain.h"
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#include "verilated.h"
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#include "verilated_vcd_c.h"
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typedef unsigned char uint8;
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typedef unsigned short uint16;
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typedef unsigned int uint32;
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typedef unsigned long uint64;
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//------------------------------------------------------------------------------
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FILE *check_fp = NULL;
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char check_line[256];
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char check_next[256];
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int check_state = 0;
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/*
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| 28 |
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1 - EOF is next
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2 - both full; line will be used
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*/
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| 32 |
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uint32 check_next_irq_at = 0;
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uint32 check_next_irq_vector = 0;
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union memory_t {
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uint8 bytes [134217728];
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uint16 shorts[67108864];
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uint32 ints [33554432];
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};
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| 40 |
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memory_t check_memory;
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uint32 instr_counter = 0;
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void load_file(const char *name, int byte_location) {
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FILE *fp = fopen(name, "rb");
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if(fp == NULL) {
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fprintf(stderr, "#ao486_reader: error opening file: %s\n", name);
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exit(-1);
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}
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int int_ret = fseek(fp, 0, SEEK_END);
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if(int_ret != 0) {
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fclose(fp);
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fprintf(stderr, "#ao486_reader: error stat file: %s\n", name);
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exit(-1);
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}
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long size = ftell(fp);
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rewind(fp);
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int_ret = fread((void *)&check_memory.bytes[byte_location], size, 1, fp);
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if(int_ret != 1) {
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fclose(fp);
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fprintf(stderr, "#ao486_reader: error loading file: %s\n", name);
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exit(-1);
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}
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fclose(fp);
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}
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bool check_read_fp(char *line) {
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while(true) {
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char *endoffile = fgets(line, 256, check_fp);
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if(endoffile == NULL) return false;
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printf("line: %s\n", line);
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uint32 val1 = 0, val2 = 0;
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int scan_ret = sscanf(line, "Exception 0x%x at %x", &val1, &val2);
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if(scan_ret == 2) {
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//ignore
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continue;
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}
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val1 = val2 = 0;
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scan_ret = sscanf(line, "IAC 0x%x at %d", &val1, &val2);
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if(scan_ret == 2) {
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check_next_irq_vector = val1;
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check_next_irq_at = val2;
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continue;
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}
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break;
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}
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return true;
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}
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void check_look_ahead_fp() {
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uint64 curr_pos = ftell(check_fp);
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| 98 |
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char line[256];
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check_read_fp(line);
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check_read_fp(line);
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check_read_fp(line);
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| 103 |
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int ret = fseek(check_fp, curr_pos, SEEK_SET);
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if(ret != 0) {
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fprintf(stderr, "#ao486_reader: can not seek reader file.\n");
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exit(-1);
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}
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| 108 |
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}
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| 109 |
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| 110 |
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uint64 total_size = 0;
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| 111 |
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uint64 last_percent = 0;
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| 112 |
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| 113 |
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void check_init() {
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if(check_fp == NULL) {
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//const char *filename = "./../backup/run-10/track.txt";
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const char *filename = "./../../../ao486/io_win95pipeline_1.txt";
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check_fp = fopen(filename, "rb");
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if(check_fp == NULL) {
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fprintf(stderr, "#ao486_reader: can not open reader file.\n");
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| 121 |
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exit(-1);
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| 122 |
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}
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| 123 |
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| 124 |
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struct stat st;
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memset(&st, 0, sizeof(struct stat));
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| 126 |
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stat(filename, &st);
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| 127 |
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total_size = st.st_size;
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| 128 |
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fprintf(stderr, "#ao486_reader: total file size: %d\n", total_size);
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}
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| 131 |
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uint64 curr_pos = ftell(check_fp);
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uint64 curr_percent = curr_pos * 100 / total_size;
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| 133 |
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if(curr_percent != last_percent) {
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last_percent = curr_percent;
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fprintf(stderr, "#ao486_reader: %d percent\n", (uint32)last_percent);
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| 136 |
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}
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| 137 |
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| 138 |
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if(check_state == 0) {
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| 139 |
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if(check_read_fp(check_line) == false) {
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| 140 |
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fprintf(stderr, "#ao486_reader: EOF\n");
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| 141 |
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exit(0);
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| 142 |
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}
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| 143 |
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if(check_read_fp(check_next) == false) {
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| 144 |
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check_state = 1;
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| 145 |
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return;
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| 146 |
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}
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| 147 |
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check_state = 2;
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| 148 |
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}
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| 149 |
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else if(check_state == 1) {
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| 150 |
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fprintf(stderr, "#ao486_reader: EOF\n");
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| 151 |
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exit(0);
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| 152 |
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}
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| 153 |
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else if(check_state == 2) {
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| 154 |
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memcpy(check_line, check_next, 256);
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| 155 |
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| 156 |
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if(check_read_fp(check_next) == false) {
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| 157 |
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check_state = 1;
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| 158 |
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return;
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| 159 |
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}
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| 160 |
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| 161 |
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check_look_ahead_fp();
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| 162 |
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check_state = 2;
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| 163 |
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}
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| 164 |
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}
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| 165 |
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| 166 |
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uint32 check_io_rd(uint32 address, uint32 byteenable) {
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check_init();
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| 168 |
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| 169 |
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uint32 io_addr = 0, io_byteena = 0, io_data = 0;
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| 170 |
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int scan_ret = sscanf(check_line, "io rd %x %x %x", &io_addr, &io_byteena, &io_data);
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| 171 |
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| 172 |
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if(scan_ret == 3) {
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| 173 |
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if(address != io_addr) {
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| 174 |
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fprintf(stderr, "#check_io_rd MISMATCH:%s != l:%04x %x\n", check_line, address, byteenable);
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| 175 |
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exit(-1);
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| 176 |
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}
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| 177 |
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if(byteenable != io_byteena) {
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| 178 |
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fprintf(stderr, "#check_io_rd MISMATCH:%s != l:%04x %x\n", check_line, address, byteenable);
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| 179 |
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exit(-1);
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| 180 |
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}
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| 181 |
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}
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| 182 |
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else {
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| 183 |
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fprintf(stderr, "#check_io_rd MISMATCH: f:%s != l:%04x %x\n", check_line, address, byteenable);
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| 184 |
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exit(-1);
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| 185 |
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}
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| 186 |
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return io_data;
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| 187 |
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}
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| 188 |
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| 189 |
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void check_io_wr(uint32 address, uint32 byteenable, uint32 data) {
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| 190 |
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check_init();
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| 191 |
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| 192 |
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uint32 io_addr = 0, io_byteena = 0, io_data = 0;
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| 193 |
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int scan_ret = sscanf(check_line, "io wr %x %x %x", &io_addr, &io_byteena, &io_data);
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| 194 |
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| 195 |
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if(scan_ret == 3) {
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| 196 |
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if(((byteenable>>0) & 1) == 0) { data &= 0xFFFFFF00; io_data &= 0xFFFFFF00; }
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| 197 |
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if(((byteenable>>1) & 1) == 0) { data &= 0xFFFF00FF; io_data &= 0xFFFF00FF; }
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| 198 |
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if(((byteenable>>2) & 1) == 0) { data &= 0xFF00FFFF; io_data &= 0xFF00FFFF; }
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| 199 |
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if(((byteenable>>3) & 1) == 0) { data &= 0x00FFFFFF; io_data &= 0x00FFFFFF; }
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| 200 |
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| 201 |
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if(address != io_addr) {
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| 202 |
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fprintf(stderr, "#check_io_wr MISMATCH:%s | %04x %x %08x\n", check_line, address, byteenable, data);
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| 203 |
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exit(-1);
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| 204 |
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}
|
| 205 |
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if(byteenable != io_byteena) {
|
| 206 |
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fprintf(stderr, "#check_io_wr MISMATCH:%s | %04x %x %08x\n", check_line, address, byteenable, data);
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| 207 |
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exit(-1);
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| 208 |
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}
|
| 209 |
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if(data != io_data) {
|
| 210 |
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fprintf(stderr, "#check_io_wr MISMATCH:%s | %04x %x %08x\n", check_line, address, byteenable, data);
|
| 211 |
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exit(-1);
|
| 212 |
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}
|
| 213 |
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}
|
| 214 |
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else {
|
| 215 |
|
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fprintf(stderr, "#check_io_wr MISMATCH:%s | %04x %x %08x\n", check_line, address, byteenable, data);
|
| 216 |
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exit(-1);
|
| 217 |
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}
|
| 218 |
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}
|
| 219 |
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| 220 |
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void check_mem_wr(uint32 address, uint32 byteenable, uint32 data) {
|
| 221 |
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check_init();
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| 222 |
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| 223 |
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uint32 mem_addr = 0, mem_byteena = 0, mem_data = 0;
|
| 224 |
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int scan_ret = sscanf(check_line, "mem wr %x %x %x", &mem_addr, &mem_byteena, &mem_data);
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| 225 |
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| 226 |
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if(scan_ret == 3) {
|
| 227 |
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if(((byteenable>>0) & 1) == 0) { data &= 0xFFFFFF00; mem_data &= 0xFFFFFF00; }
|
| 228 |
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if(((byteenable>>1) & 1) == 0) { data &= 0xFFFF00FF; mem_data &= 0xFFFF00FF; }
|
| 229 |
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if(((byteenable>>2) & 1) == 0) { data &= 0xFF00FFFF; mem_data &= 0xFF00FFFF; }
|
| 230 |
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if(((byteenable>>3) & 1) == 0) { data &= 0x00FFFFFF; mem_data &= 0x00FFFFFF; }
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| 231 |
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| 232 |
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if(address != mem_addr) {
|
| 233 |
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fprintf(stderr, "#check_mem_wr MISMATCH:%s != l:%08x %x %08x\n", check_line, address, byteenable, data);
|
| 234 |
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exit(-1);
|
| 235 |
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}
|
| 236 |
|
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if(byteenable != mem_byteena) {
|
| 237 |
|
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fprintf(stderr, "#check_mem_wr MISMATCH:%s != l:%08x %x %08x\n", check_line, address, byteenable, data);
|
| 238 |
|
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exit(-1);
|
| 239 |
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}
|
| 240 |
|
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if(data != mem_data) {
|
| 241 |
|
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fprintf(stderr, "#check_mem_wr MISMATCH:%s != l:%08x %x %08x\n", check_line, address, byteenable, data);
|
| 242 |
|
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exit(-1);
|
| 243 |
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}
|
| 244 |
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|
| 245 |
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for(uint32 i=0; i<4; i++) {
|
| 246 |
|
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if(byteenable & 1) {
|
| 247 |
|
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check_memory.bytes[address + i] = data & 0xFF;
|
| 248 |
|
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}
|
| 249 |
|
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byteenable >>= 1;
|
| 250 |
|
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data >>= 8;
|
| 251 |
|
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}
|
| 252 |
|
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}
|
| 253 |
|
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else {
|
| 254 |
|
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fprintf(stderr, "#check_io_wr MISMATCH:%s != l:%08x %x %08x\n", check_line, address, byteenable, data);
|
| 255 |
|
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exit(-1);
|
| 256 |
|
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}
|
| 257 |
|
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}
|
| 258 |
|
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|
| 259 |
|
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uint32 check_mem_rd(uint32 address, uint32 byteenable) {
|
| 260 |
|
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check_init();
|
| 261 |
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|
| 262 |
|
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uint32 mem_addr = 0, mem_byteena = 0, mem_data = 0;
|
| 263 |
|
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int scan_ret = sscanf(check_line, "mem rd %x %x %x", &mem_addr, &mem_byteena, &mem_data);
|
| 264 |
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|
| 265 |
|
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if(scan_ret == 3) {
|
| 266 |
|
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if(address != mem_addr) {
|
| 267 |
|
|
fprintf(stderr, "#check_mem_rd MISMATCH:%s != l:%08x %x\n", check_line, address, byteenable);
|
| 268 |
|
|
exit(-1);
|
| 269 |
|
|
}
|
| 270 |
|
|
if(byteenable != mem_byteena) {
|
| 271 |
|
|
fprintf(stderr, "#check_mem_rd MISMATCH:%s != l:%08x %x\n", check_line, address, byteenable);
|
| 272 |
|
|
exit(-1);
|
| 273 |
|
|
}
|
| 274 |
|
|
}
|
| 275 |
|
|
else {
|
| 276 |
|
|
fprintf(stderr, "#check_mem_rd MISMATCH:%s != l:%04x %x\n", check_line, address, byteenable);
|
| 277 |
|
|
exit(-1);
|
| 278 |
|
|
}
|
| 279 |
|
|
return mem_data;
|
| 280 |
|
|
}
|
| 281 |
|
|
|
| 282 |
|
|
//------------------------------------------------------------------------------
|
| 283 |
|
|
|
| 284 |
|
|
int main(int argc, char **argv) {
|
| 285 |
|
|
|
| 286 |
|
|
load_file("./../../../sd/bios/bochs_legacy", 0xF0000);
|
| 287 |
|
|
load_file("./../../../sd/vgabios/vgabios_lgpl", 0xC0000);
|
| 288 |
|
|
|
| 289 |
|
|
{
|
| 290 |
|
|
FILE *fp = fopen("track.txt", "w");
|
| 291 |
|
|
fclose(fp);
|
| 292 |
|
|
|
| 293 |
|
|
fp = fopen("interrupt.txt", "w");
|
| 294 |
|
|
fclose(fp);
|
| 295 |
|
|
}
|
| 296 |
|
|
//--------------------------------------------------------------------------
|
| 297 |
|
|
|
| 298 |
|
|
|
| 299 |
|
|
Verilated::commandArgs(argc, argv);
|
| 300 |
|
|
|
| 301 |
|
|
Verilated::traceEverOn(true);
|
| 302 |
|
|
VerilatedVcdC* tracer = new VerilatedVcdC;
|
| 303 |
|
|
|
| 304 |
|
|
Vmain *top = new Vmain();
|
| 305 |
|
|
top->trace (tracer, 99);
|
| 306 |
|
|
// tracer->rolloverMB(1000000);
|
| 307 |
|
|
tracer->open("ao486.vcd");
|
| 308 |
|
|
//tracer->flush();
|
| 309 |
|
|
//return 0;
|
| 310 |
|
|
//reset
|
| 311 |
|
|
top->clk = 0; top->rst_n = 1; top->eval();
|
| 312 |
|
|
top->clk = 1; top->rst_n = 1; top->eval();
|
| 313 |
|
|
top->clk = 1; top->rst_n = 0; top->eval();
|
| 314 |
|
|
top->clk = 0; top->rst_n = 0; top->eval();
|
| 315 |
|
|
top->clk = 0; top->rst_n = 1; top->eval();
|
| 316 |
|
|
|
| 317 |
|
|
//--------------------------------------------------------------------------
|
| 318 |
|
|
|
| 319 |
|
|
uint32 sdram_read_count = 0;
|
| 320 |
|
|
uint32 sdram_read_data[4];
|
| 321 |
|
|
|
| 322 |
|
|
uint32 sdram_write_count = 0;
|
| 323 |
|
|
uint32 sdram_write_address = 0;
|
| 324 |
|
|
|
| 325 |
|
|
uint32 vga_read_count = 0;
|
| 326 |
|
|
uint32 vga_read_address = 0;
|
| 327 |
|
|
uint32 vga_read_byteenable = 0;
|
| 328 |
|
|
|
| 329 |
|
|
uint32 vga_write_count = 0;
|
| 330 |
|
|
uint32 vga_write_address = 0;
|
| 331 |
|
|
|
| 332 |
|
|
uint32 io_read_count = 0;
|
| 333 |
|
|
uint32 io_read_address = 0;
|
| 334 |
|
|
uint32 io_read_byteenable = 0;
|
| 335 |
|
|
|
| 336 |
|
|
uint32 dump_enabled = 0;
|
| 337 |
|
|
|
| 338 |
|
|
//--------------------------------------------------------------------------
|
| 339 |
|
|
|
| 340 |
|
|
uint64 cycle = 0;
|
| 341 |
|
|
|
| 342 |
|
|
char irq_txt[256];
|
| 343 |
|
|
int irq_delay = 0;
|
| 344 |
|
|
|
| 345 |
|
|
while(!Verilated::gotFinish()) {
|
| 346 |
|
|
|
| 347 |
|
|
//---------------------------------------------------------------------- sdram
|
| 348 |
|
|
|
| 349 |
|
|
top->sdram_readdatavalid = 0;
|
| 350 |
|
|
|
| 351 |
|
|
if(top->sdram_read) {
|
| 352 |
|
|
uint32 address = top->sdram_address & 0x07FFFFFC;
|
| 353 |
|
|
|
| 354 |
|
|
for(uint32 i=0; i<4; i++) {
|
| 355 |
|
|
sdram_read_data[i] = check_memory.ints[(address + i*4)/4];
|
| 356 |
|
|
|
| 357 |
|
|
if(((top->sdram_byteenable >> 0) & 1) == 0) sdram_read_data[i] &= 0xFFFFFF00;
|
| 358 |
|
|
if(((top->sdram_byteenable >> 1) & 1) == 0) sdram_read_data[i] &= 0xFFFF00FF;
|
| 359 |
|
|
if(((top->sdram_byteenable >> 2) & 1) == 0) sdram_read_data[i] &= 0xFF00FFFF;
|
| 360 |
|
|
if(((top->sdram_byteenable >> 3) & 1) == 0) sdram_read_data[i] &= 0x00FFFFFF;
|
| 361 |
|
|
}
|
| 362 |
|
|
sdram_read_count = top->sdram_burstcount;
|
| 363 |
|
|
|
| 364 |
|
|
//printf("sdram read: %08x %x [%08x %08x %08x %08x]\n", address, top->sdram_byteenable, sdram_read_data[0], sdram_read_data[1], sdram_read_data[2], sdram_read_data[3]);
|
| 365 |
|
|
}
|
| 366 |
|
|
else if(sdram_read_count > 0) {
|
| 367 |
|
|
top->sdram_readdatavalid = 1;
|
| 368 |
|
|
top->sdram_readdata = sdram_read_data[0];
|
| 369 |
|
|
//printf("r: %08x\n", top->sdram_readdata);
|
| 370 |
|
|
memmove(sdram_read_data, &sdram_read_data[1], sizeof(sdram_read_data)-sizeof(uint32));
|
| 371 |
|
|
sdram_read_count--;
|
| 372 |
|
|
}
|
| 373 |
|
|
|
| 374 |
|
|
if(top->sdram_write) {
|
| 375 |
|
|
uint32 address = (sdram_write_count > 0)? sdram_write_address : top->sdram_address & 0x07FFFFFC;
|
| 376 |
|
|
uint32 data = top->sdram_writedata;
|
| 377 |
|
|
|
| 378 |
|
|
if((top->sdram_byteenable & 0x1) == 0) data &= 0xFFFFFF00;
|
| 379 |
|
|
if((top->sdram_byteenable & 0x2) == 0) data &= 0xFFFF00FF;
|
| 380 |
|
|
if((top->sdram_byteenable & 0x4) == 0) data &= 0xFF00FFFF;
|
| 381 |
|
|
if((top->sdram_byteenable & 0x8) == 0) data &= 0x00FFFFFF;
|
| 382 |
|
|
|
| 383 |
|
|
printf("mem wr: %08x %x %08x %d\n", address, top->sdram_byteenable, data, sdram_write_count);
|
| 384 |
|
|
|
| 385 |
|
|
FILE *fp = fopen("track.txt", "a");
|
| 386 |
|
|
fprintf(fp, "mem wr %08x %x %08x\n", address, top->sdram_byteenable, data);
|
| 387 |
|
|
fclose(fp);
|
| 388 |
|
|
|
| 389 |
|
|
check_mem_wr(address, top->sdram_byteenable, data);
|
| 390 |
|
|
|
| 391 |
|
|
if(sdram_write_count == 0) {
|
| 392 |
|
|
sdram_write_address = (address + 4) & 0x07FFFFFC;
|
| 393 |
|
|
sdram_write_count = top->sdram_burstcount;
|
| 394 |
|
|
}
|
| 395 |
|
|
|
| 396 |
|
|
if(sdram_write_count > 0) sdram_write_count--;
|
| 397 |
|
|
}
|
| 398 |
|
|
|
| 399 |
|
|
//---------------------------------------------------------------------- vga
|
| 400 |
|
|
|
| 401 |
|
|
top->vga_readdatavalid = 0;
|
| 402 |
|
|
|
| 403 |
|
|
if(top->vga_read) {
|
| 404 |
|
|
vga_read_address = top->vga_address & 0x000FFFFC;
|
| 405 |
|
|
|
| 406 |
|
|
vga_read_count = top->vga_burstcount;
|
| 407 |
|
|
vga_read_byteenable = top->vga_byteenable;
|
| 408 |
|
|
printf("mem rd: %08x %x %d\n", vga_read_address, vga_read_byteenable, vga_read_count);
|
| 409 |
|
|
}
|
| 410 |
|
|
else if(vga_read_count > 0) {
|
| 411 |
|
|
|
| 412 |
|
|
uint32 value = check_mem_rd(vga_read_address, vga_read_byteenable);
|
| 413 |
|
|
|
| 414 |
|
|
top->vga_readdatavalid = 1;
|
| 415 |
|
|
top->vga_readdata = value;
|
| 416 |
|
|
|
| 417 |
|
|
FILE *fp = fopen("track.txt", "a");
|
| 418 |
|
|
fprintf(fp, "mem rd %08x %x %08x\n", vga_read_address, vga_read_byteenable, value);
|
| 419 |
|
|
fclose(fp);
|
| 420 |
|
|
|
| 421 |
|
|
vga_read_address = (vga_read_address + 4) & 0x000FFFFC;
|
| 422 |
|
|
vga_read_count--;
|
| 423 |
|
|
}
|
| 424 |
|
|
|
| 425 |
|
|
if(top->vga_write) {
|
| 426 |
|
|
uint32 address = (vga_write_count > 0)? vga_write_address : top->vga_address & 0x000FFFFC;
|
| 427 |
|
|
uint32 data = top->vga_writedata;
|
| 428 |
|
|
|
| 429 |
|
|
if((top->vga_byteenable & 0x1) == 0) data &= 0xFFFFFF00;
|
| 430 |
|
|
if((top->vga_byteenable & 0x2) == 0) data &= 0xFFFF00FF;
|
| 431 |
|
|
if((top->vga_byteenable & 0x4) == 0) data &= 0xFF00FFFF;
|
| 432 |
|
|
if((top->vga_byteenable & 0x8) == 0) data &= 0x00FFFFFF;
|
| 433 |
|
|
|
| 434 |
|
|
FILE *fp = fopen("track.txt", "a");
|
| 435 |
|
|
fprintf(fp, "mem wr %08x %x %08x\n", address, top->sdram_byteenable, data);
|
| 436 |
|
|
fclose(fp);
|
| 437 |
|
|
|
| 438 |
|
|
printf("mem wr: %08x %x %08x %d\n", address, top->sdram_byteenable, data, vga_write_count);
|
| 439 |
|
|
|
| 440 |
|
|
check_mem_wr(address, top->vga_byteenable, data);
|
| 441 |
|
|
|
| 442 |
|
|
if(vga_write_count == 0) {
|
| 443 |
|
|
vga_write_address = (address + 4) & 0x07FFFFFC;
|
| 444 |
|
|
vga_write_count = top->vga_burstcount;
|
| 445 |
|
|
}
|
| 446 |
|
|
|
| 447 |
|
|
if(vga_write_count > 0) vga_write_count--;
|
| 448 |
|
|
}
|
| 449 |
|
|
|
| 450 |
|
|
//---------------------------------------------------------------------- io
|
| 451 |
|
|
|
| 452 |
|
|
top->avalon_io_readdatavalid = 0;
|
| 453 |
|
|
|
| 454 |
|
|
if(top->avalon_io_read) {
|
| 455 |
|
|
io_read_address = top->avalon_io_address & 0x0000FFFC;
|
| 456 |
|
|
|
| 457 |
|
|
io_read_count = 1;
|
| 458 |
|
|
io_read_byteenable = top->avalon_io_byteenable;
|
| 459 |
|
|
printf("io rd: %08x %x %d\n", io_read_address, io_read_byteenable, io_read_count);
|
| 460 |
|
|
}
|
| 461 |
|
|
else if(io_read_count > 0) {
|
| 462 |
|
|
|
| 463 |
|
|
uint32 value = check_io_rd(io_read_address, io_read_byteenable);
|
| 464 |
|
|
|
| 465 |
|
|
FILE *fp = fopen("track.txt", "a");
|
| 466 |
|
|
fprintf(fp, "io rd %04x %x %08x\n", io_read_address, io_read_byteenable, value);
|
| 467 |
|
|
fclose(fp);
|
| 468 |
|
|
|
| 469 |
|
|
//if(io_read_address == 0x01F0 && io_read_byteenable == 0xF && value == 0x655301c6) shared_ptr->dump_enabled = 1;
|
| 470 |
|
|
|
| 471 |
|
|
top->avalon_io_readdatavalid = 1;
|
| 472 |
|
|
top->avalon_io_readdata = value;
|
| 473 |
|
|
|
| 474 |
|
|
io_read_count--;
|
| 475 |
|
|
}
|
| 476 |
|
|
|
| 477 |
|
|
if(top->avalon_io_write) {
|
| 478 |
|
|
uint32 data = top->avalon_io_writedata;
|
| 479 |
|
|
|
| 480 |
|
|
if((top->avalon_io_byteenable & 0x1) == 0) data &= 0xFFFFFF00;
|
| 481 |
|
|
if((top->avalon_io_byteenable & 0x2) == 0) data &= 0xFFFF00FF;
|
| 482 |
|
|
if((top->avalon_io_byteenable & 0x4) == 0) data &= 0xFF00FFFF;
|
| 483 |
|
|
if((top->avalon_io_byteenable & 0x8) == 0) data &= 0x00FFFFFF;
|
| 484 |
|
|
|
| 485 |
|
|
FILE *fp = fopen("track.txt", "a");
|
| 486 |
|
|
fprintf(fp, "io wr %04x %x %08x\n", top->avalon_io_address & 0x0000FFFC, top->avalon_io_byteenable, data);
|
| 487 |
|
|
fclose(fp);
|
| 488 |
|
|
|
| 489 |
|
|
printf("io wr: %08x %x %08x\n", (top->avalon_io_address & 0x0000FFFC), top->avalon_io_byteenable, data);
|
| 490 |
|
|
|
| 491 |
|
|
check_io_wr(top->avalon_io_address & 0x0000FFFC, top->avalon_io_byteenable, data);
|
| 492 |
|
|
}
|
| 493 |
|
|
|
| 494 |
|
|
//----------------------------------------------------------------------
|
| 495 |
|
|
if(top->tb_finish_instr) instr_counter++;
|
| 496 |
|
|
|
| 497 |
|
|
if(instr_counter >= 77020000) dump_enabled = 1;
|
| 498 |
|
|
//11490000
|
| 499 |
|
|
//---------------------------------------------------------------------- interrupt
|
| 500 |
|
|
|
| 501 |
|
|
top->interrupt_vector = check_next_irq_vector;
|
| 502 |
|
|
top->interrupt_do = (instr_counter == check_next_irq_at)? 1 : 0;
|
| 503 |
|
|
|
| 504 |
|
|
if(top->interrupt_done) {
|
| 505 |
|
|
sprintf(irq_txt, "IAC 0x%02x at %d\n", check_next_irq_vector, instr_counter);
|
| 506 |
|
|
irq_delay = 3;
|
| 507 |
|
|
}
|
| 508 |
|
|
else if(irq_delay > 0) {
|
| 509 |
|
|
if(irq_delay == 1) {
|
| 510 |
|
|
FILE *fp = fopen("track.txt", "a");
|
| 511 |
|
|
fprintf(fp, irq_txt);
|
| 512 |
|
|
fclose(fp);
|
| 513 |
|
|
|
| 514 |
|
|
fp = fopen("interrupt.txt", "a");
|
| 515 |
|
|
fprintf(fp, irq_txt);
|
| 516 |
|
|
fclose(fp);
|
| 517 |
|
|
}
|
| 518 |
|
|
|
| 519 |
|
|
irq_delay--;
|
| 520 |
|
|
}
|
| 521 |
|
|
|
| 522 |
|
|
//---------------------------------------------------------------------- exception
|
| 523 |
|
|
|
| 524 |
|
|
if(top->dbg_exc) {
|
| 525 |
|
|
FILE *fp = fopen("track.txt", "a");
|
| 526 |
|
|
fprintf(fp, "Exception 0x%02x at %d\n", top->dbg_exc_vector, instr_counter);
|
| 527 |
|
|
fclose(fp);
|
| 528 |
|
|
}
|
| 529 |
|
|
|
| 530 |
|
|
//----------------------------------------------------------------------
|
| 531 |
|
|
|
| 532 |
|
|
if(dump_enabled == 0 && fopen("start", "rb") != NULL) dump_enabled = 1;
|
| 533 |
|
|
|
| 534 |
|
|
top->clk = 0;
|
| 535 |
|
|
top->eval();
|
| 536 |
|
|
|
| 537 |
|
|
if(dump_enabled) tracer->dump(cycle++);
|
| 538 |
|
|
|
| 539 |
|
|
top->clk = 1;
|
| 540 |
|
|
top->eval();
|
| 541 |
|
|
|
| 542 |
|
|
if(dump_enabled) tracer->dump(cycle++);
|
| 543 |
|
|
|
| 544 |
|
|
tracer->flush();
|
| 545 |
|
|
|
| 546 |
|
|
if(instr_counter >= 77026000) { fprintf(stderr, "#ao486_reader: test finished.\n"); exit(0); }
|
| 547 |
|
|
//11491275
|
| 548 |
|
|
//usleep(1);
|
| 549 |
|
|
}
|
| 550 |
|
|
delete top;
|
| 551 |
|
|
return 0;
|
| 552 |
|
|
}
|
